Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
Make
Category
Subcategory
Condition
In Stock
Price
-40%
Part no. A2049005015
Mercedes C204 W207 Suspension Damper Adjustment Control Unit Module A2049005015
Promo price
€189.95
€113.97
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 1K0955557A
VW Volkswagen Audi Seat Skoda Airbag Crash Impact Sensor SRC 1K0955557A
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. A0131545602
Mercedes W204 W212 Alternator Generator M272 180A 14V Petrol Engine A0131545602
€94.95
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9157158
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157158
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A2048701826
Mercedes S204 Door Module Front Left N/S Control Unit ECU A2048701826
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9226885
BMW F20 F21 Aerial Antenna Amplifier Diversity DAB 9226885
Promo price
€28.95
€24.61
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If paid before 14:00
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Part no. A4209003305
Mercedes Sprinter W907 W910 Radio Stereo Player Head Unit Module A4209003305
Promo price
€222.95
€133.77
Free delivery - Tue, Nov 04
If paid before 14:00
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Part no. 9247472-1
BMW E91N LCI ECU Body Control Module Junction Box H2 9247472
Promo price
€23.95
€22.75
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If paid before 14:00
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Part no. A2218702986
Mercedes W221 Seat Control Module SSG Unit Front Left Seat N/S A2218702986
Promo price
€85.95
€51.57
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 1K0915181H
Audi A3 8P Negative Cable Battery Terminal Wiring Loom 1K0915181H
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
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Part no. 9362396
BMW F20 REM Rear Electronic Module Fuse Box Control Unit V3 9362396
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
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Part no. 6798242
ICM Module BMW F10 F11 Integrated Chassis Management QL ES Control Unit 6798242
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
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Part no. 9226901
Body Control Module BMW F01 ECU Junction Box PL6 JBBFE III 3 Lear 9226901
Promo price
€56.95
€34.17
Free delivery - Tue, Nov 04
If paid before 14:00
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Part no. 5G0919605
VW Volkswagen Golf Mk7 Radio Control Head Unit CD Player 5G0919605
Promo price
€56.95
€48.41
Free delivery - Tue, Nov 04
If paid before 14:00
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Part no. 9171925
BMW E88 Convertible Air Module Sensor ECU Control Unit Module 9171925
Promo price
€28.95
€24.61
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If paid before 14:00
-15%
Part no. 8570846
BMW F20 F21 F22 F30 F32 LCI B47 Diesel Starter Motor Engine 8570846
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
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Part no. A0009002914
Mercedes Sprinter W906 OM651 OM642 Diesel Adblue Control Unit ECU A0009002914
Promo price
€42.95
€25.77
Free delivery - Tue, Nov 04
If paid before 14:00
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Part no. 6807395
Interface Control Module BMW F10 F20 F30 Bus Unit 120 OHM 6807395
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€23.95
€22.75
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If paid before 14:00
-5%
Part no. 8715685
BMW F40 Mini F55 F56 Mid Range Sound Speaker Front Door Stereo 8715685
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. A1779007716
Mercedes W177 Front Door Control Module Left Right N/O/S Unit ECU A1779007716
Promo price
€61.95
€37.17
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 8U0955559
Audi A1 8X A3 8V Windscreen Rain Sensor Control Unit 8U0955559
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 8K0907064DC
Body Control Module Audi A4 B8 A5 8T BCM Comfort Control Unit 8K0907064DC
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. rhd-A0009052902
Mercedes W212 Negative Cable Battery Terminal Wiring A0009052902
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 6800903-2
Mini R50 R52 R53 Steering Wheel Horn Switch Left Right N/O/S Set 6800903
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A2205404208
Mercedes W220 Rear PDC Parking Sensor Wiring Loom A2205404208
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A1775402500
Mercedes W177 W247 Battery Cable Negative Lead Terminal Harness A1775402500
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. A2229009519-1
Mercedes C238 Head Unit Radio CD Player Audio Sat Nav Control A2229009519
Promo price
€564.95
€338.97
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A9069820109
Mercedes Sprinter W906 Positive Battery Terminal Cover Cap Trim Red A9069820109
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A2129003704
Parking Module Mercedes W207 W212 PDC Distance Control Unit Sensor A2129003704
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A1665402350
Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1665402350
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6970904
BMW 7 Series E65 E66 E67 Sensor Rear Seat Airbag 65776970904 6970904
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 9131850
CD Changer BMW E60 E61 E63 6-DISC Compact without Magazine 9131850
Promo price
€47.95
€28.77
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8T0971365C
Audi A5 8T Seat Cable Front Left Right N/O/S Wiring Loom Harness 8T0971365C
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9170452
BMW X5 Series E70 Footwell Light Control Module Unit LEAR FRM II NSW 9170452
Promo price
€132.95
€113.01
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6921982
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9274428
Mini Cooper F54 F55 F56 F57 F60 PDC Parking Sensor Ultrasonic Black 9274428
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 5LA907357H
Audi A6 C6 Front Lamp Headlight Range Control Module Unit ECU 5LA907357H
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A1729002601
Mercedes SLK R172 Door Control Unit Module Front Right O/S A1729002601
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 5QS915181
Audi A3 S3 8Y Battery Negative Terminal Cable Wire 5QS915181
Promo price
€56.95
€34.17
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A2701590042
Ignition Coil Mercedes W176 M270 Petrol Ignition Cable Connector A2701590042
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 9393667
BMW F10 LCI Body Control Module ECU Unit JBBFEIII V2 PL6 9393667
Promo price
€56.95
€34.17
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A2048701226
Mercedes S204 Door Module Rear Right O/S Control Unit ECU A2048701226
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A1715403932
Mercedes SLK R171 Rear Bumper PDC Wiring Loom Parking Sensor Cable A1715403932
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A0009008709
Mercedes W213 Tyre Pressure Control Module Unit A0009008709
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. DE8T19H463DC
Ford Transit Connect Mk2 II Rain Sensor Control Unit Module FoMoCo DE8T19H463DC
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. A1569005303
Mercedes W176 Body Control Module BCM Control Unit ECU A1569005303
Promo price
€56.95
€34.17
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 7809999-3
BMW X3 E83 LCI 1.8sd 2.0sd N47 177HP Engine Control Unit ECU DDE 7809999 Manual
Promo price
€180.95
€153.81
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A2218702286
Mercedes W221 Front Seat Heater Control Unit Module ECU A2218702286
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 3C0915443A
Audi A3 8P Battery Box Tray Covering Housing Trim Holder Bracket 3C0915443A
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 7641649
BMW F10 F20 F30 N20 125i 328i 528i N20 Wiring Harness Engine Module 1 7641649
Promo price
€85.95
€73.06
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9264924
BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264924
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9165623
BMW X5 X6 Series E70 E71 Airbag Control ECU Unit Module 9165623
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 8K0959655L
Audi A4 B8 Air Module Control Unit ECU Crash Control 8K0959655L
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 9228914
Radio CD Player BMW F10 F11 F13 Navigation ECE Sat Nav Head Unit 9228914
Promo price
€284.95
€170.97
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9387262
FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Body Control Unit ECU LR01 9387262
Promo price
€113.95
€96.86
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9131649
Driver Seat Cable BMW E81 E82 E87 E88 Sensor Mat Wiring 9131649
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A2038202285
Mercedes-Benz C-Class W203 Door Control Module Right Rear O/S A2038202285
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 4G8959792G
Audi A6 C7 Front Left N/S Door Lock Control Module Unit ECU 4F0959792T
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A2479002613
Mercedes CLA C118 W177 W205 W213 Telematics Control Unit Module A2479002613
Promo price
€80.95
€68.81
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6826201
Junction Point BMW X5 F15 X6 F16 B + Battery Power Distributor 6826201
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 7N0941329
Audi A3 8V 30 TDI DGTE Ad Blue Reducer Dosage Control Module Unit ECU 7N0941329
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6957762
BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6957762
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A2059004521
Door Module Mercedes W205 GLC C253 Rear Left N/S Control Unit ECU A2059004521
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. A2469000005
Mercedes W176 PDC Parking Distance Control Module Unit A2469000005
Promo price
€66.95
€40.17
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 03L906022DH
Audi TT 8J 2.0 TDI 170HP CBBB Quattro Engine Module Unit ECU 03L906022DH Manual
Promo price
€85.95
€51.57
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8R0907468T
Audi Q5 8R Gateway Module Control Unit ECU 8R0907468T 8R0907468C
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. A6229001000
Mercedes W447 114CDI OM622.851 136HP Engine Control Unit Manual A6229001000
Promo price
€393.95
€236.37
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A1695451440
Mercedes W169 W245 Central Gateway Module Bracket Holder Mount A1695451440
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 0148459-BRG
Mini Cooper One R50 Fuel Filler Cover Flap British Racing Green A67 0148459
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. A2215450801-1
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215450801
Promo price
€227.95
€136.77
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 7634058
BMW F20 F30 Engine Automatic Gearbox Module Wiring Cable Loom Harness 7634058
Promo price
€42.95
€25.77
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 8589170
Starter Harness BMW X3 G01 X4 G02 30dX 40dX B57 Cable Base B+ Loom 8589170
Promo price
€61.95
€37.17
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9226888
BMW 1 Series F20 F21 Antenna Aerial Noise Suppression Filter 9226888
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. A2049002002
Mercedes W204 C207 Air Suspension Dynamic Level Control Unit Module A2049002002
Promo price
€45.95
€27.57
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9210857
BMW F01 F07 GT F10 F11 F13 Power Distribution Fuse Box Rear 9210857
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9169521
BMW E61 Centre Console Switch Cluster Control Unit ECU 9169521
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6921980
BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 2755516
Battery Mounting Bracket Mini Cooper R55 R56 R57 R60 R61 Clamp Bolt Holder
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. A1669062300
Mercedes W221 Rear Armrest DVD Player Control Headunit A1669062300
Promo price
€66.95
€40.17
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9225182
Rear Bumper Antenna BMW E93 E93N LCI Aerial Telephone 6970701
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 8519663-14
Mini Cooper D R56 LCI R60 N47N 112HP Diesel Engine Unit ECU DDE 8519663 Manual
Promo price
€56.95
€34.17
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A2128201789
Mercedes W212 Antenna Amplifier Aerial Module C Pillar Left N/S A2128201789
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A2048701126
Mercedes S204 Door Module Rear Left N/S Control Unit ECU A2048701126
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. A2059009643
Mercedes W205 Telematics Bluetooth Module Control Unit ECU A2059009643
Promo price
€61.95
€37.17
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. N000000004039
Mercedes ML GLC W164 X164 W204 Additional Backup Battery 12V 1.2Ah N000000004039
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 4G2971228DQ
Audi A6 A7 4G 3.0 TDI Starter Alternator Wiring Harness 4G2971228DQ
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 9203082-1
BMW 5 6 7 E60 E63 E65 Adaptive Light Control Unit Module LM E6X 9153273
€66.95
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. A1729060105
Mercedes SLK R172 Rear Fuse Box SAM Relay Control Unit Module A1729060105
Promo price
€89.95
€53.97
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 6866990
Airbag Module BMW F01 F02 LCI F10 F11 F13 Air Bag ECU ICM Control Unit 6866990
Promo price
€56.95
€48.41
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. A2389009000
Air Module Mercedes A205 A238 A217 SRS Protection Control Unit A2389009000
Promo price
€113.95
€68.37
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 8385164-2
BMW 7 Series 2 E65 E66 Battery B Engine Compartment Terminal Point 8385164
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A2049009004
Parking Module Mercedes W204 S204 PDC Distance Control Unit Sensor A2049009004
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A0009063322
Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 8574351-2
BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 Manual
€142.95
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 03L906022FL
Audi A6 C6 3.0 TDI 233HP Diesel Engine Control Unit ECU Kit Module 03L906022FL
Promo price
€189.95
€113.97
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. A2218705687
Mercedes W221 Linguatronic Control Module Unit ECU English Version A2218705687
Promo price
€85.95
€51.57
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 5WA907007AC
Volkswagen Golf Mk8 Air Conditioning A/C Control Unit Module 5WA907007AB
Promo price
€113.95
€68.37
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A2034404532
Mercedes CLC-Class CL203 Rear Parking Sensor Wiring Loom Cable PDC A2034404532
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 1508937
BMW Mini Cooper S One D R50 R52 R53 Negative Battery Cable Wire 1508937
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .